Complex Oxide Thin Films
Complex Oxide Thin Films - Related Videos
08:45
Fabrication of Spatially Confined Complex Oxides
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Cited by 1 •
2013
We describe the use of pulsed laser deposition (PLD), photolithography and wire-bonding techniques to create micrometer scale complex oxides devices. The PLD is utilized to grow epitaxial thin films. Photolithography and wire-bonding techniques are introduced to create practical devices for measurement purposes.
08:49
Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
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Cited by 7 •
2014
Various procedures are outlined to prepare atomically defined templates for epitaxial growth of complex oxide thin films. Chemical treatments of single crystalline SrTiO3 (001) and DyScO3 (110) substrates were performed to obtain atomically smooth, single terminated surfaces. Ca2 Nb3 O10- nanosheets were used to create atomically defined templates on arbitrary substrates.
09:15
Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors
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Cited by 5 •
2016
The study demonstrates the growth of iridium oxide-reduced graphene oxide (IrO2-RGO) nanohybrid thin films on irregular and rough screen-printed carbon substrate through a green electrochemical synthesis, and their implementation as a pH sensor with a patterned paper-fluidic platform.
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10:01
Protein Film Infrared Electrochemistry Demonstrated for Study of H2 Oxidation by a [NiFe] Hydrogenase
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Cited by 10 •
2017
Here, we describe a technique, protein film infrared electrochemistry, which allows immobilized redox proteins to be studied spectroscopically under direct electrochemical control at a carbon electrode. Infrared spectra of a single protein sample can be recorded at a range of applied potentials and under a variety of solution conditions.
07:58
Electroplating of Thin Films
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2023
Source: Logan G. Kiefer, Andrew R. Falkowski, and Taylor D. Sparks, Department of Materials Science and Engineering, The University of Utah, Salt Lake City, UT Electroplating is a process that uses electric current to reduce dissolved metal cations so that they form a thin coating on an electrode. Other thin film deposition techniques include chemical vapor deposition (CVD), spin coating, dip coating, and sputter deposition among others. CVD uses a gas-phase precursor of the element to be...
FAQs
The deposition environment helps determine which crystal phase forms. Substrate temperature affects how the growing layer develops, while oxygen pressure influences oxide formation during deposition. If these variables are poorly controlled, the intended phase may not be obtained. Engineering these conditions therefore links processing choices directly to the film’s final properties.
Lattice matching between the film and substrate can promote the desired crystal structure and enable epitaxial growth. Differences between their lattice dimensions can also impose strain on the deposited layer. That strain changes the material response, allowing engineers to modify charge transport, magnetism, ferroelectricity, or optical behavior through substrate selection and growth conditions.
Interfaces provide a region where composition, crystal structure, and strain can be controlled together. These conditions may generate engineered functionalities that do not occur in either bulk material alone. For engineering research, interface design is therefore useful when a device requires a tailored electrical, magnetic, ferroelectric, or optical response rather than the unmodified behavior of a single material.
A practical workflow begins by selecting a substrate and target phase according to the desired device property. During deposition, researchers control substrate temperature and oxygen pressure, while considering lattice matching to encourage the intended structure. These choices establish the film’s composition and crystal state, which determine whether the resulting layer provides the required functional response.
Their tunable electrical, magnetic, ferroelectric, and optical behavior supports several engineering directions. Reported application areas include electronics, sensors, memory, spintronics, energy conversion, and catalysis. The relevant property depends on how composition, structure, strain, and interfaces are controlled, making these films useful for both device development and materials research.
Engineering studies can connect deposition conditions and structural design with changes in functional behavior. By examining how phase formation, epitaxial strain, lattice matching, and interface control affect a layer, researchers can identify routes toward specific charge-transport, magnetic, ferroelectric, or optical outcomes. This relationship helps guide the design of films for targeted technologies.